2123002313101 has 4 divisors (see below), whose sum is σ = 2163058960572. Its totient is φ = 2082945665632.

The previous prime is 2123002313071. The next prime is 2123002313123. The reversal of 2123002313101 is 1013132003212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1041163099876 + 1081839213225 = 1020374^2 + 1040115^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123002313101 - 2²⁷ = 2122868095373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123002313501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20028323656 + ... + 20028323761.

It is an arithmetic number, because the mean of its divisors is an integer number (540764740143).

Almost surely, 2^{2123002313101} is an apocalyptic number.

It is an amenable number.

2123002313101 is a deficient number, since it is larger than the sum of its proper divisors (40056647471).

2123002313101 is an equidigital number, since it uses as much as digits as its factorization.

2123002313101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40056647470.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2123002313101 its reverse (1013132003212), we get a palindrome (3136134316313).

The spelling of 2123002313101 in words is "two trillion, one hundred twenty-three billion, two million, three hundred thirteen thousand, one hundred one".